package com.mindskip.xzs.service.impl;
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import com.mindskip.xzs.domain.Classes;
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import com.mindskip.xzs.domain.ClassesUser;
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import com.mindskip.xzs.domain.User;
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import com.mindskip.xzs.domain.classes.ClassesUserInfo;
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import com.mindskip.xzs.domain.other.KeyValue;
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import com.mindskip.xzs.repository.ClassesMapper;
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import com.mindskip.xzs.repository.ClassesUserMapper;
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import com.mindskip.xzs.service.ClassesService;
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import com.mindskip.xzs.service.enums.ResultEnum;
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import com.mindskip.xzs.viewmodel.teacher.classes.ClassesPageRequestVM;
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import com.mindskip.xzs.viewmodel.teacher.classes.ClassesUserPageRequestVM;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import lombok.AllArgsConstructor;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.Date;
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import java.util.List;
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import java.util.stream.Collectors;
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@Service
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@AllArgsConstructor
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public class ClassesServiceImpl implements ClassesService {
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private final ClassesMapper classesMapper;
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private final ClassesUserMapper classesUserMapper;
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@Override
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public Classes selectById(Integer id) {
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return classesMapper.selectByPrimaryKey(id);
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}
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@Override
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public int insertByFilter(Classes record) {
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return classesMapper.insertSelective(record);
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}
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@Override
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public int updateByIdFilter(Classes record) {
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return classesMapper.updateByPrimaryKeySelective(record);
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}
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@Override
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public PageInfo<Classes> page(ClassesPageRequestVM requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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classesMapper.page(requestVM)
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);
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}
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@Override
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public Classes selectClassesByUid(String uid) {
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return classesMapper.selectClassesByUid(uid);
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}
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@Override
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@Transactional
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public ResultEnum joinClasses(User user, Classes classes) {
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ClassesUser classesUser = classesUserMapper.getClassesUser(user.getId(), classes.getId());
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if (null == classesUser) {
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ClassesUser newClassesUser = new ClassesUser();
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newClassesUser.setClassesId(classes.getId());
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newClassesUser.setUserId(user.getId());
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newClassesUser.setDeleted(false);
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newClassesUser.setCreateTime(new Date());
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newClassesUser.setClassesName(classes.getName());
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classesUserMapper.insertSelective(newClassesUser);
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classesMapper.classesNumAdd(classes.getId());
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return ResultEnum.SUCCESS;
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}
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return ResultEnum.FAIL;
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}
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@Override
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public List<Classes> getClassesByCreate(Integer createId) {
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return classesMapper.getClassesByCreate(createId);
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}
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@Override
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public List<Integer> getClassesIdByCreate(Integer createId) {
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List<Classes> classes = getClassesByCreate(createId);
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return classes.stream().map(c -> c.getId()).collect(Collectors.toList());
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}
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@Override
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public Classes getClasses(Integer userId, String name) {
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return classesMapper.getClasses(userId, name);
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}
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@Override
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public PageInfo<ClassesUserInfo> classesUserPageList(ClassesUserPageRequestVM requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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classesUserMapper.classesUserPageList(requestVM)
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);
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}
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@Override
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public List<ClassesUser> getJoinClasses(Integer uid) {
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return classesUserMapper.getJoinClasses(uid);
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}
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@Override
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public List<KeyValue> getClassCount(List<Integer> classIds) {
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return classesUserMapper.getClassCount(classIds);
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}
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@Override
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@Transactional
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public void removeOutUser(Integer id) {
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ClassesUser classesUser = classesUserMapper.selectByPrimaryKey(id);
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classesUser.setDeleted(true);
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classesUserMapper.updateByPrimaryKeySelective(classesUser);
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classesMapper.classesNumSub(classesUser.getClassesId());
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}
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}
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